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Building RESTful Web services with Go

You're reading from   Building RESTful Web services with Go Learn how to build powerful RESTful APIs with Golang that scale gracefully

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Product type Paperback
Published in Dec 2017
Publisher Packt
ISBN-13 9781788294287
Length 316 pages
Edition 1st Edition
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Author (1):
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Naren Yellavula Naren Yellavula
Author Profile Icon Naren Yellavula
Naren Yellavula
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Toc

Table of Contents (13) Chapters Close

Preface 1. Getting Started with REST API Development FREE CHAPTER 2. Handling Routing for Our REST Services 3. Working with Middleware and RPC 4. Simplifying RESTful Services with Popular Go Frameworks 5. Working with MongoDB and Go to Create REST APIs 6. Working with Protocol Buffers and GRPC 7. Working with PostgreSQL, JSON, and Go 8. Building a REST API Client in Go and Unit Testing 9. Scaling Our REST API Using Microservices 10. Deploying Our REST services 11. Using an API Gateway to Monitor and Metricize REST API 12. Handling Authentication for Our REST Services

grequests – a REST API package for Go


The developers who worked on Python know about the Requests library. It is a clean, short library that is not included in the standard library of Python. The Go package grequests is inspired by that library. It provides a simple set of functions, using which we can make API requests such as GET, POST, PUT, and DELETE from our Go code. Using grequests allows us to encapsulate the inbuilt HTTP request and response. To install the grequests package for your Go, run the following command:

go get -u github.com/levigross/grequests

Now, see this basic program illustrating the use of the grequests library to make a GET request to a REST API. Create a directory called grequests in your Go source directory and add a file called basicRequest.go, as shown in the following code snippet:

package main

import (
  "github.com/levigross/grequests"
  "log"
)

func main() {
  resp, err := grequests.Get("http://httpbin.org/get", nil)
  // You can modify the request by passing...
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